<template>
	<!-- 最外层容器 -->
	<view class="my-settle-container">
		<!-- 全选区域 -->
		<label class="radio" @click="changeAllState">
			<radio color="#C00000" :checked="isFullCheck"/><text>全选</text>
		</label>
		
		<!-- 合计区域 -->
		<view class="amount-box">
			合计:<text class="amount">{{checkedGoodsAmount}}</text>
		</view>
		
		<!-- 结算按钮 -->
		<view class="btn-settle">
			结算{{checkedCount}}
		</view>
	</view>
</template>

<script>
	import {mapGetters,mapMutations} from 'vuex'
	export default {
		name:"my-settle",
		data() {
			return {
				
			};
		},
		computed:{
			// 1.将total映射到当前组件中
			...mapGetters('m_cart',['checkedCount','total','checkedGoodsAmount']),
			// 2.是否全选
			isFullCheck(){
				return this.total===this.checkedCount
			}
		},
		methods:{
			//2.使用mapMutations辅助函数,把m_cart模块提供的updateAllGoodsState方法映射到当前组件中使用
			...mapMutations('m_cart',['updateAllGoodsState']),
			//label的点击事件处理函数
			changeAllState(){
				//修改购物车中所有商品的选中状态
				//!this.isFullCheck表示:当前全选按钮的状态取反之后,就是最新的勾选状态
				this.updateAllGoodsState(!this.isFullCheck)
			}
		}
	}
</script>

<style lang="scss">
	.my-settle-container{
		// 底部固定定位
		position: fixed;
		bottom: 0;
		left: 0;
		// 设置宽高和背景色
		width: 100%;
		height: 50px;
		// background-color: cyan;
		// 将背景色从cyan改为white
		background-color: white;
		display: flex;
		justify-content: space-between;
		align-items: center;
		padding-left: 5px;
		font-size: 14px;
		
		.radio{
			display: flex;
			align-items: center;
		}
		
		.amount{
			color: #C00000;
		}
		
		.btn-settle{
			height: 50px;
			min-width: 100px;
			background-color: #C00000;
			color: white;
			line-height: 50px;
			text-align: center;
			padding: 0 10px;
		}
	}
</style>
